Rules:

Only words with 2 or more characters are accepted
Max 200 chars total
Space is used to split words, "" can be used to search for a whole string (not indexed search then)
AND, OR and NOT are prefix words, overruling the default operator
+/|/- equals AND, OR and NOT as operators.
All search words are converted to lowercase.

... access to volunteers with symptoms, including allergic, hypertensive and hyperlipidemic subjects. Special panels of genotyped subjects such as poor metabolizers (PM) for a certain cytochrome isoenzyme are also available. CRS has access to various panels of healthy subjects, healthy ...